The Western Digital EXTREME USD 190/90MB/S C10 memory card, part number SDSQXAA-128G-GN6MN, is designed for business and IT professionals requiring reliable, high-speed storage for compatible devices. This card offers read speeds of up to 190MB/s and write speeds of up to 90MB/s, suitable for applications demanding quick data transfer and capture. It adheres to UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) standards, indicating its capability for recording 4K UHD video. Additionally, its A2 application performance class rating means it can support faster app loading and performance on compatible devices.